Hello all,
I have a clustered master server (clustered using VCS global clustering option) in active-passive mode. The catalog(size is roughly 500 GB) is replicated to the passive node using SRDF/A.
OS is Windows Server 2008 R2 Enterprise. The whole environment runs on tape infrastructure only.
I am deciding on an approach to run the upgrade and hence need experts views on that.
Approach 1- Break the SRDF/A replication of catalog. Upgrade active node. Bring active down after upgrade. Make the 2nd node active. Upgrade passive node.
Approach 2- Do not break the replication. Take a clone of the catalog LUN before upgrade. Let the catalog replicate as and when the upgrade is in progress. After upgrade at active node, bring it down. Bring up the passive node. As upgraded database will already have replicated, upgrade here require only upgrade of binaries.
The full backup of the catalog takes about 6 hours to complete.
Can you suggest me the best approach among these? Or any other if you have a better approach. Also, how can I estimate time that will be taken for my environment?
-Regards,
Neetu